Gonadotrophic, prolactin, corticosterone, and gonadal hormones levels over 15 months in Giant Amazon River Turtles - Podocnemis expansa (Schweigger, 1812) (Testudines: Podocnemididae), in captive conditions - Freneau, G. E.; Sá, V. A.; Franci, Celso Rodrigues; Vieira, D.; Freneau, B. N. (Brazilian Journal of Biology, 2017)